Finding the Fourth Proportional to 71,801.22, 107,694.20 and 19,216.02
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Solution
The fourth proportional to 71,801.22, 107,694.20 and 19,216.02 is: 28,821.99
Step by Step Solution
- Step 1: Write the proportion equation
71,801.22 : 107,694.20 = 19,216.02 : x - Step 2: Convert to fraction form
71,801.22/107,694.20 = 19,216.02/x - Step 3: Cross multiply
71,801.22x = 107,694.20 × 19,216.02 - Step 4: Simplify right side
71,801.22x = 2,069,453,901.08 - Step 5: Solve for x
x = 2,069,453,901.08/71,801.22 - Step 6: Final answer
x = 28,821.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.